| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 775,609 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,459,888 |
| Biggest Cities in Texas | 0 | - | 4.23 | 108,209 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 27,141 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,252,459 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 163,422 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 24,067 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 311,200 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.63 | 95,699 |
| Biggest English-Speaking Cities | 0 | - | 4.37 | 132,804 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 105,184 |
| Biggest Cities by Language | 0 | - | 4.95 | 206,932 |
| Biggest Nordic Cities | 0 | - | 4.36 | 58,805 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 73,022 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 325,812 |
| Jewish Cities Quiz | 0 | - | 4.30 | 58,279 |
| Biggest Cities in Japan | 0 | - | 4.70 | 72,515 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 149,712 |
| Biggest Cities in Russia | 0 | - | 4.46 | 74,003 |
| Fastest Growing U.S. Cities | 0 | - | 4.32 | 68,730 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 46,475 |
| Biggest Cities in Poland | 0 | - | 4.55 | 45,414 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.39 | 12,354 |
| Biggest Cities Starting With A | 0 | - | 4.47 | 107,592 |
| Biggest Cities Starting With B | 0 | - | 4.29 | 142,138 |
| Biggest Cities Starting With C | 0 | - | 4.03 | 93,881 |
| Biggest Cities Starting With D | 0 | - | 4.48 | 103,523 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 93,106 |
| Biggest Cities Starting With K | 0 | - | 4.26 | 76,142 |
| Biggest Cities Starting With L | 0 | - | 4.41 | 105,430 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 122,959 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 109,420 |
| Biggest Cities Starting With S | 0 | - | 4.35 | 110,140 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 111,312 |
| Biggest Cities in Mexico | 0 | - | 4.53 | 24,061 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.31 | 80,163 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.34 | 67,057 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.22 | 74,980 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 80,853 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 64,350 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.14 | 60,115 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.13 | 20,150 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.85 | 54,849 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.19 | 58,357 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 65,670 |
| Biggest U.S. Cities A-Z | 0 | - | 4.51 | 118,481 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 178,533 |
| Biggest Cities in France | 0 | - | 4.48 | 178,509 |
| Biggest Cities in Spain | 0 | - | 4.51 | 146,233 |
| Biggest Cities in Italy | 0 | - | 4.61 | 207,071 |
| Biggest Cities in California | 0 | - | 4.34 | 126,733 |
| Biggest Cities in Florida | 0 | - | 4.18 | 65,354 |
| Biggest Cities in the World Quiz | 0 | - | 4.82 | 627,879 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,139 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 89,420 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 44,438 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 47,445 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 31,608 |
| Biggest Cities in New York State | 0 | - | 4.22 | 54,314 |
| Biggest Cities in Europe | 0 | - | 4.49 | 435,686 |
| Biggest Cities in Indiana | 0 | - | 4.25 | 19,107 |
| Biggest Cities in Tennessee | 0 | - | 4.22 | 18,607 |
| Biggest Cities in Canada | 0 | - | 4.63 | 116,170 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 35,411 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 139,023 |
| Biggest Cities in China | 0 | - | 4.43 | 130,331 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 41,556 |
| Biggest Cities in Germany | 0 | - | 4.94 | 250,095 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 58,396 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 38,235 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 144,845 |
| Biggest City in Every Country | 0 | - | 4.97 | 73,592 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,344 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,660 |
| Biggest Cities in Colorado | 0 | - | 4.02 | 29,052 |
| Biggest Cities in Arizona | 0 | - | 4.21 | 27,332 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 22,120 |
| Biggest Cities in Illinois | 0 | - | 4.32 | 23,557 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 30,853 |
| Biggest Cities in Wisconsin | 0 | - | 4.44 | 22,596 |
| Biggest Cities in Georgia | 0 | - | 3.84 | 20,927 |
| Biggest Cities in Massachusetts | 0 | - | 4.34 | 26,450 |
| Biggest Cities in Missouri | 0 | - | 4.19 | 15,362 |
| Biggest Cities in Oregon | 0 | - | 4.06 | 18,086 |
| Biggest Cities in Alaska | 0 | - | 4.26 | 22,753 |
| Biggest City by Time Zone | 0 | - | 4.78 | 52,164 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.45 | 96,060 |
| Biggest English Cities by Century | 0 | - | 4.93 | 95,308 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 42,019 |
| Biggest European Cities by Letter | 0 | - | 4.51 | 115,613 |
| Most Populous Countries in 2050 | 0 | - | 4.93 | 184,091 |
| Biggest Cities in India | 0 | - | 4.60 | 60,094 |
| Biggest Cities in Asia | 0 | - | 4.92 | 91,928 |
| Biggest City by Island | 0 | - | 4.50 | 44,832 |
| Most Populous Countries in 1900 | 0 | - | 4.89 | 156,878 |
| Biggest Cities in History | 0 | - | 4.47 | 76,390 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 42,137 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,443 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 63,253 |
| Five Biggest Cities by Country | 0 | - | 4.52 | 146,488 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 59,710 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 66,275 |
| Biggest Coastal City by Country | 0 | - | 4.55 | 26,651 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 61,721 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 17,987 |
| Most Populous World Capitals | 0 | - | 4.90 | 135,412 |
| Biggest City by Region | 0 | - | 4.45 | 32,266 |
| Most Populous 2nd Cities | 0 | - | 4.51 | 51,434 |
| Biggest City by Region #2 | 0 | - | 4.45 | 22,205 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 27,561 |
| Biggest European Cities by Century | 0 | - | 4.96 | 114,410 |
| Capitals of the Most Populated Countries | 0 | - | 4.97 | 113,570 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 237,747 |
| U.S. Cities by Hispanic Population | 0 | - | 4.24 | 24,009 |
| Biggest Cities by Latitude | 0 | - | 4.70 | 25,716 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 67,394 |
| Melbourne Suburbs | 0 | - | 4.70 | 34,692 |
| Largest World Cities With Four Letters | 0 | - | 4.42 | 42,244 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.63 | 62,860 |
| Biggest Axis-Controlled Cities | 0 | - | 4.25 | 32,986 |
| Biggest Two-Word Cities | 0 | - | 4.63 | 37,785 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.93 | 64,915 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.80 | 61,045 |
| Cities of Ireland | 0 | - | 4.42 | 38,187 |
| Largest Cities in Alexander's Empire | 0 | - | 4.47 | 37,821 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 159,543 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 87,424 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.80 | 49,302 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 126,903 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 143,296 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 155,542 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 27,011 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 41,226 |
| Biggest Cities with Exceptions | 0 | - | 4.85 | 46,524 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 236,141 |
| Countries with Megacities | 0 | - | 4.99 | 187,804 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 195,187 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 139,564 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 149,633 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.85 | 42,648 |
| Biggest Cities in the UK | 0 | - | 4.41 | 88,080 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 89,463 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 62,827 |
| Megacities on a World Map | 0 | - | 4.98 | 213,021 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 189,986 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.76 | 51,965 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 103,965 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.86 | 80,183 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.76 | 41,816 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 45,959 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 87,358 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 352,864 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 162,116 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.28 | 35,081 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 53,677 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 36,973 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.46 | 38,848 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 489,449 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.20 | 80,588 |
| Megacities on an Empty Map | 0 | - | 4.96 | 83,816 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 57,679 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 60,037 |
| All Cities in China with Population of 1 Million | 0 | - | 4.60 | 35,444 |
| Northernmost Major City by Country | 0 | - | 4.52 | 29,883 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 26,238 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 38,134 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 60,948 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.45 | 49,646 |
| Two Largest Cities by First Two Letters | 0 | - | 4.60 | 60,460 |
| U.S. States by Second Most Populous City | 0 | - | 4.41 | 38,818 |
| Largest World Capitals with Exceptions | 0 | - | 4.68 | 49,606 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 66,461 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 57,477 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 54,510 |
| Biggest Cities Near a Border | 0 | - | 4.12 | 15,938 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 40,623 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 289,719 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 91,119 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 66,658 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 32,921 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 139,786 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.36 | 28,969 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 44,924 |
| Biggest Cities by Trait #2 | 0 | - | 4.33 | 13,711 |
| Flags to Largest Cities | 0 | - | 4.62 | 28,255 |
| 500 Biggest US Cities | 0 | - | 4.85 | 89,685 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 27,996 |
| Saint Lucia Country Quiz | 0 | - | 4.60 | 15,512 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 74,463 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 39,313 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.70 | 58,456 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.84 | 68,627 |
| Biggest Cities in the World - 2100 | 0 | - | 4.28 | 75,896 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 23,674 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 33,257 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.88 | 56,526 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 31,003 |
| Largest Nordic Cities on a Map | 0 | - | 4.52 | 17,970 |
| Cities in Squares on a Map - North America | 0 | - | 4.34 | 18,509 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 19,679 |
